hardware/tondaj-sl-814/api.c

   1 /*
   2  * This file is part of the sigrok project.
   3  *
   4  * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <glib.h>
  22 #include "libsigrok.h"
  23 #include "libsigrok-internal.h"
  24 #include "protocol.h"
  25
  26 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
  27 static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
  28
  29 /* Properly close and free all devices. */
  30 static int clear_instances(void)
  31 {
  32         struct sr_dev_inst *sdi;
  33         struct drv_context *drvc;
  34         struct dev_context *devc;
  35         GSList *l;
  36
  37         if (!(drvc = di->priv))
  38                 return SR_OK;
  39
  40         for (l = drvc->instances; l; l = l->next) {
  41                 if (!(sdi = l->data))
  42                         continue;
  43                 if (!(devc = sdi->priv))
  44                         continue;
  45
  46                 /* TODO */
  47
  48                 sr_dev_inst_free(sdi);
  49         }
  50
  51         g_slist_free(drvc->instances);
  52         drvc->instances = NULL;
  53
  54         return SR_OK;
  55 }
  56
  57 static int hw_init(void)
  58 {
  59         struct drv_context *drvc;
  60
  61         if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
  62                 sr_err("Driver context malloc failed.");
  63                 return SR_ERR_MALLOC;
  64         }
  65
  66         /* TODO */
  67
  68         di->priv = drvc;
  69
  70         return SR_OK;
  71 }
  72
  73 static GSList *hw_scan(GSList *options)
  74 {
  75         struct drv_context *drvc;
  76         GSList *devices;
  77
  78         (void)options;
  79
  80         devices = NULL;
  81         drvc = di->priv;
  82         drvc->instances = NULL;
  83
  84         /* TODO */
  85
  86         return devices;
  87 }
  88
  89 static GSList *hw_dev_list(void)
  90 {
  91         struct drv_context *drvc;
  92
  93         drvc = di->priv;
  94
  95         return drvc->instances;
  96 }
  97
  98 static int hw_dev_open(struct sr_dev_inst *sdi)
  99 {
 100         /* TODO */
 101
 102         return SR_OK;
 103 }
 104
 105 static int hw_dev_close(struct sr_dev_inst *sdi)
 106 {
 107         /* TODO */
 108
 109         return SR_OK;
 110 }
 111
 112 static int hw_cleanup(void)
 113 {
 114         clear_instances();
 115
 116         /* TODO */
 117
 118         return SR_OK;
 119 }
 120
 121 static int hw_info_get(int info_id, const void **data,
 122                        const struct sr_dev_inst *sdi)
 123 {
 124         switch (info_id) {
 125         /* TODO */
 126         default:
 127                 sr_err("Unknown info_id: %d.", info_id);
 128                 return SR_ERR_ARG;
 129         }
 130
 131         return SR_OK;
 132 }
 133
 134 static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
 135                              const void *value)
 136 {
 137         int ret;
 138
 139         if (sdi->status != SR_ST_ACTIVE) {
 140                 sr_err("Device inactive, can't set config options.");
 141                 return SR_ERR;
 142         }
 143
 144         ret = SR_OK;
 145         switch (hwcap) {
 146         /* TODO */
 147         default:
 148                 sr_err("Unknown hardware capability: %d.", hwcap);
 149                 ret = SR_ERR_ARG;
 150         }
 151
 152         return ret;
 153 }
 154
 155 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 156                                     void *cb_data)
 157 {
 158         /* TODO */
 159
 160         return SR_OK;
 161 }
 162
 163 static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
 164                                    void *cb_data)
 165 {
 166         (void)cb_data;
 167
 168         if (sdi->status != SR_ST_ACTIVE) {
 169                 sr_err("Device inactive, can't stop acquisition.");
 170                 return SR_ERR;
 171         }
 172
 173         /* TODO */
 174
 175         return SR_OK;
 176 }
 177
 178 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
 179         .name = "tondaj-sl-814",
 180         .longname = "Tondaj SL-814",
 181         .api_version = 1,
 182         .init = hw_init,
 183         .cleanup = hw_cleanup,
 184         .scan = hw_scan,
 185         .dev_list = hw_dev_list,
 186         .dev_clear = clear_instances,
 187         .dev_open = hw_dev_open,
 188         .dev_close = hw_dev_close,
 189         .info_get = hw_info_get,
 190         .dev_config_set = hw_dev_config_set,
 191         .dev_acquisition_start = hw_dev_acquisition_start,
 192         .dev_acquisition_stop = hw_dev_acquisition_stop,
 193         .priv = NULL,
 194 };